This accessory solution AP9625 to tailor the Smart-UPS to meet your specific needs. * APC SmartUPS/SmartUPS RT 2 Post Rail Kits * Mounting Kits APC 2-Post Mounting Kit - Accessory solutions to tailor the Smart-UPS to meet your specific needs * Includes Installation guide, Mounting Hardware & Rack Mounting brackets * UPS - Uninterruptible Power Supplies RT TWO POST RAIL KIT * 1 year repair or replace warranty